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Performance Specifications

Performance Specifications

Peak Horsepower

3.5

4.5

6.5

Cubic Feet Per Minute
(CFM) of Air Flow

115

145

200

Sealed Pressure
(in inches)

53

55

60

Electrical Ratings

120V
60Hz
8.1A

120V
60Hz
9.5A

120V
60Hz
12A

Peak Air Watts

220

305

385

Terminology:

Horsepower Rating
Peak horsepower is the maximum output horsepower of a motor determined
from a laboratory dynamometer test. Since peak horsepower is
outside the normal operating
range of a vacuum cleaner, it may not be indicative of actual air power differences
when comparing two cleaners.

Tank Capacity
Working capacity may vary based on use.

SP (Sealed Pressure)
Suction pressure represents how far up a glass tube a vacuum motor will lift
a column of water. This function is measured in inches. Maximum suction pressure
or sealed water lift is obtained at zero air flow. Suction pressure decreases
as air flow increases.

CFM (Cubic Feet Per Minute)
CFM is a measure of the quantity of air moved by the vacuum motor at a particular
system load, such as 2-1/2" orifice. Your actual system load is determined
by the type, size and length of the hose used, the accessory tool used and
the filter system used. A dirty filter system can drastically affect the
suction and air flow. The filters need to be cleaned regularly and replaced
as necessary to avoid reduced suction and air flow.

Vacuum Performance
Vacuum performance or air power is the rate of work performed by a vacuum cleaner.
Air power is a function of suction and air flow at an operating point. Air
power is reduced by dirty filters, leaks and attachments used.